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Facebook Engineering
One of the statistics we are most proud of at Facebook is our ratio of users to engineers. When I joined the company in January of 2006, we had 5 million users being supported by about 15 engineers, a ratio of about 300,000 users per engineer...
Carlisa Diann Hoover
Carlisa Diann Hoover
how do we know if these chain letters are true from what is being said in the letters
10 hours ago
Facebook Engineering
At Facebook, we're always looking for ways to make sharing more efficient. Today we're announcing a significant upgrade to our Photos product: a new and improved photo uploader that’s available for testing as a Facebook Prototype. ...
Facebook Engineering

Facebook Engineering Facebook puzzles. Now with high scores.

Source: thriftpuzzle.facebook.com
Courtney Pelz
Courtney Pelz
How do you contact facebook?

I was playing PetPupz and got this message. Now I can't access that page. This is the first time it has happened. Man, I hope it doesn't happen again:( Who should I contact so i don't get banned? I shouldn't be punished for having a fast computer. HELP!!!!

It looks like you are using automation to access this page.... Read More
Collecting content or other information from Facebook members using automation is not permitted and could result in the disabling of your account. Review the Facebook Terms.
... Read More
You should be able to visit this page again in a few hours.
November 16 at 8:00pm
Facebook Engineering
At the end of this note I describe how InnoDB can be much faster (2.5X) for high-concurrency workloads. However, what we really did is improve the code to not get 2.5X slower. InnoDB uses innodb_thread_concurrency to limit the number of threads that run concurrently...
Francesco Christ
Francesco Christ
Hello everybody... I need someone to help me... Who should I contact on facebook to present an idea, a project I been working on... A great inovative product.. I hardly bealive is a winner idea! Please help..
November 12 at 1:08pm
Facebook Engineering
InnoDB uses background threads to handle readahead (prefetch) requests. Requests are generated when it detects sequential or random access to most blocks in an extent. This is described in the 5.0 MySQL manual with new behavior in the plugin...
Facebook Engineering

Facebook Engineering
Innovative thinking at Facebook isn't only about software.

With Facebook users spending a collective 8 billion minutes on the site each day, serving 1.2 million photos each second, and managing more than 25 terabytes of data per day in logging data, we're forced to think about servers and datacenters differently.

Amir Mi...chael, a server and datacenter engineer at Facebook, explains how thinking differently can lead to significant gains in cost and energy efficiency.Read More

Location:Facebook HQ
Time:7:00PM Tuesday, November 17th
Trish Yetterberg Cielesz
Trish Yetterberg Cielesz
I'm with you, Mooky. . .keep it cool :)
November 6 at 2:22pm
Ronald P. Gurdikian
Ronald P. Gurdikian
What happened to Facebook photo camera? Because there is no camera operation. Thank you
November 18 at 5:39pm
Facebook Engineering
We have servers that run with innodb_log_file_size=256M and some of these servers do a lot of disk writes per second...
Alfonso Elizalde
Alfonso Elizalde
Are you increasing to 512?
November 4 at 6:11pm
Ron Kellar Jr
Ron Kellar Jr
It's pretty sad when you want to talk to Facebook on concerns with adding and deleting people that there would be at least an email address to ask them question. I'm on a warning block for adding to many people and sending friend requests to grow my Mafia Wars,FarmVille,Yoville Etc. Why do they have adds on Facebook to add 300+ fans/gamers if you have a limit on who many friend request you can send.
Fri at 4:58pm
Facebook Engineering

Facebook Engineering Heading to ApacheCon tomorrow? Be sure to catch Ashish Thusoo, Data Infrastructure Engineer at Facebook, who will be giving a talk on Apache Hive, how it's used at Facebook, the growing developer community around the project and our future plans for Hive.

Source: us.apachecon.com
Apache Hive is a data warehouse built on top of Apache Hadoop, that provides tools to enable easy data summarization, adhoc querying and analysis of large datasets data stored in Hadoop files. It provides ...
Facebook Engineering
I was debugging a server that had too many concurrent queries. From SHOW INNODB STATUS output, there were many long running transactions with uncommitted work and there were many more transactions blocked on InnoDB locks...
Facebook Engineering
As you might be aware, one of Facebook's oldest and greatest traditions is the Hackathon. Every few months, our engineers decide to stay up all night and just build it...
Facebook Engineering

Facebook Engineering If you like data, and you like world peace, you might like Peace on Facebook, part of the Peace Innovation project at Stanford University.

Source: peace.facebook.com
Jorge R. Paula
Jorge R. Paula
Where can I voice a concern to the FACEBOOK team??? Why is my email & befriending hindered and blocked when all I'm doing is connecting to people I met on my last trip??? Not marketing unsolicited stuff to strangers??? Why do inocent users have to pay for the spamers??? This is ridiculous! Can you guys do some adjustments about this??? Why do... Read More great things don't last long? Should we be looking for the next great site for all friends to move where we can actually socialize & get connected??? Please, correct the way you censor people!!! Not all of us live attached to Facebook and have busy career, family & business lives... If we neet to get up to date with all our connections, emails and friends in one or two nights we should be able to. That automatic ridiculous message about "Block! You are engaging in behavior that may be considered annoying or abusive by other users." is RIDICULOUS! Have any of my friends gave ONE or even HALF a complaint about me? Are we measuring good regular users by criminals rules? Is Facebook becoming a SOCIAL JAIL??? Please RE-THINK the limitations you have imposed or the programing routines to identify REAL ABUSE and HARASMENT!!! Now even to read my friends responses and emails or even to delete emails I get the ABUSIVE message abusing me! And I don't even know if this will further block my entire account... thus BIG dilema! for everyone awaits my answers but FACEBOOK has SOCIALLY SENT ME TO SOLITARY CONFINEMENT!!! FOR WHAT CRIME MAY I ASK?????????????????????????? Should I send this message to the NY Times? This thing makes anyone feel like closing the account under this ridicule limitations!
October 28 at 9:40am
Facebook Engineering
Source: www.techcrunch.com
If you're a computer science graduate a year out of college, there probably isn't a celebrity you'd be more excited about knowing than ...
Ron Kellar Jr
Ron Kellar Jr
It's pretty sad when you want to talk to Facebook on concerns with adding and deleting people that there would be at least an email address to ask them question. I'm on a warning block for adding to many people and sending friend requests to grow my Mafia Wars,FarmVille,Yoville Etc. Why do they have adds on Facebook to add 300+ fans/gamers if you have a limit on who many friend request you can send.
Fri at 4:58pm